The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 14, 2026
Filed:
Jan. 16, 2024
Applicant:
Nec Corporation, Tokyo, JP;
Inventors:
Masaki Inokuchi, Tokyo, JP;
Shohei Mitani, Tokyo, JP;
Assignee:
NEC CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 21/62 (2013.01);
U.S. Cl.
CPC ...
G06F 21/62 (2013.01); G06F 21/6209 (2013.01); G06F 21/6227 (2013.01);
Abstract
A policy consistency verification apparatus includes a policy conversion part configured to generate an If-Then rule approximating a policy function used as an input, wherein the policy function is generated from policy definition defining attribute value of access and a rule regarding accessibility to obtain an output of accessibility from inputs of the attribute value; and an error sample generation part configured to verify consistency between the If-Then rule and the policy definition to generate inconsistent attribute value as an error sample.